TY  - JOUR
AU  - T. I. Lanina
TI  - Smoothness of the solution of a certain boundary value problem for an equation of mixed type with two parallel lines of degeneracy
JO  - Differencialʹnye uravneniâ
PY  - 1976
SP  - 97
EP  - 102
VL  - 12
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1976_12_1_a11/
LA  - ru
ID  - DE_1976_12_1_a11
ER  -